exclude :test_array_empty, "needs investigation"
exclude :test_array_minus, "needs investigation"
exclude :test_array_plus, "needs investigation"
exclude :test_fixnum_div, "needs investigation"
exclude :test_fixnum_minus, "needs investigation"
exclude :test_fixnum_mod, "needs investigation"
exclude :test_fixnum_mul, "needs investigation"
exclude :test_fixnum_plus, "needs investigation"
exclude :test_float_div, "needs investigation"
exclude :test_float_minus, "needs investigation"
exclude :test_float_mul, "needs investigation"
exclude :test_float_plus, "needs investigation"
exclude :test_hash_aref_with, "needs investigation"
exclude :test_hash_aset_with, "needs investigation"
exclude :test_hash_empty, "needs investigation"
exclude :test_hash_length, "needs investigation"
exclude :test_string_empty, "needs investigation"
exclude :test_string_eq_neq, "needs investigation"
exclude :test_string_format, "needs investigation"
exclude :test_string_freeze, "needs investigation"
exclude :test_string_length, "needs investigation"
exclude :test_string_ltlt, "needs investigation"
exclude :test_string_plus, "needs investigation"
exclude :test_string_size, "needs investigation"
exclude :test_tailcall, "needs investigation"
exclude :test_tailcall_with_block, "needs investigation"
exclude :test_array_length, "needs investigation"
exclude :test_array_empty? , "needs investigation"
exclude :test_string_empty? , "needs investigation"
exclude :test_hash_empty?, "needs investigation"
exclude :test_string_freeze_saves_memory, "hangs / needs investigation"
exclude :"test_eqq", "needs investigation"
exclude :"test_opt_case_dispatch", "needs investigation"
exclude :"test_string_freeze_block", "needs investigation"
exclude :"test_nil_safe_conditional_assign", "needs investigation"
exclude :"test_tailcall_inhibited_by_block", "needs investigation"
exclude :"test_tailcall_inhibited_by_rescue", "needs investigation"
exclude :test_tailcall_condition_block, "needs investigation"
exclude :test_tailcall_symbol_block_arg, "needs investigation"
